Inventor · Saskatoon, SK, CA

Duqiang Wu

29Patents
6h-index
23Co-inventors
65Inventor score

Filing activity: Apr 13, 2009 → Jun 16, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US9822507B2 Work vehicle with enhanced implement position control and bi-directional self-leveling functionality Fixed Constructions 14 Active
US10017912B2 Work vehicle with improved loader/implement position control and return-to-position functionality Fixed Constructions 13 Active
US8226370B2 Hydraulic system and method for controlling valve phasing Mechanical Engineering; Lighting; Heating 11 Active
US9580883B2 System and method for automatically controlling a lift assembly of a work vehicle Fixed Constructions 8 Active
US8505291B2 Hydraulic system having load sensing capabilities Mechanical Engineering; Lighting; Heating 6 Active
US9796571B2 Work vehicle with improved implement position control and self-leveling functionality Fixed Constructions 6 Active
US9004218B2 Joystick with improved control for work vehicles Emerging Cross-Sectional Technologies 4 Active
US10729068B2 Method and system for automatically controlling a position of a ground engaging tool of an agricultural implement relative to a ground surface Human Necessities 3 Active
US10820470B2 Hydraulic system for an agricultural implement incorporating implement-based hydraulic load sensing Mechanical Engineering; Lighting; Heating 3 Active
US10813264B2 Depth control for ground engaging tools of an implement Mechanical Engineering; Lighting; Heating 2 Active
US10501910B2 System and method for controlling a lift assembly of a work vehicle Fixed Constructions 2 Active
US8434302B2 Hydraulic system including open loop and closed loop valve control schemes Mechanical Engineering; Lighting; Heating 2 Active
US10645857B2 Implement control system having a manual override Mechanical Engineering; Lighting; Heating 2 Active
US8474364B2 Hydraulic system including priority based valve sequencing Mechanical Engineering; Lighting; Heating 2 Active
US9599107B2 System and method for controlling a hydrostatic drive unit of a work vehicle using a combination of closed-loop and open-loop control Mechanical Engineering; Lighting; Heating 2 Active
US10798866B2 Depth control system for raising and lowering a work unit of an implement Human Necessities 1 Active
US9309969B2 System and method for controlling a hydrostatic drive unit of a work vehicle Mechanical Engineering; Lighting; Heating 1 Active
US10820471B2 Hydraulic system for an agricultural implement incorporating an implement-based override valve Mechanical Engineering; Lighting; Heating 1 Active
US11549236B1 Work vehicle with improved bi-directional self-leveling functionality and related systems and methods Fixed Constructions 1 Active
US11421401B2 System and method for controlling work vehicle implements during implement shake operations Fixed Constructions 0 Active
US11821169B2 System and method for controlling implement orientation of a work vehicle based on a modified error value Fixed Constructions 0 Active
US11105068B2 Active force/vibration feedback control method and apparatus for a movable machine Physics 0 Active
US10801182B2 System and method for controlling work vehicle operation based on multi-mode identification of operator inputs Fixed Constructions 0 Active
US11965313B2 System and method for determining parallel lift feedforward control for a wheel loader Fixed Constructions 0 Active
US9097268B2 Hydraulic system including priority based valve sequencing Mechanical Engineering; Lighting; Heating 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.